1690.91% is the change from 55 to 985
Calculation steps:
[( 985 - 55 ) ÷ 55] x 100 = 1690.91%
Formula
Percentage change = [(985 - 55) / 55] x 100
Subtract the new number by the original number
985 - 55 = 930
930 ÷ 55 = 16.90909090909091
16.90909090909091 x 100 = 1690.91%